Vol 22, No 1 (2015)
Original articles
Published online: 2015-02-24

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Newly impaired glucose metabolism and prognosis after percutaneous revascularization

Manuel F. Jiménez-Navarro, Julia Fernández-Pastor, Lourdes Garrido-Sánchez, María J. Molina-Mora, Carmen Ortiz-García, Juan H. Alonso-Briales, Alejandro Pérez-Cabeza, Jose M. Hernández-García, Eduardo de Teresa-Galván, Francisco J. Tinahones
DOI: 10.5603/CJ.a2014.0024
Pubmed: 24671899
Cardiol J 2015;22(1):44-51.

Abstract

Background: Clinical practice guidelines recommend ad hoc screening of diabetes in patients admitted for macrovascular disease; however, these recommendations are rarely followed in real practice. This study was undertaken to assess whether impaired glucose metabolism, newly diagnosed after percutaneous coronary intervention (PCI) or known diabetes, provides prognostic information.

Methods: We studied 374 patients who underwent PCI. An oral glucose tolerance test was carried out in the known non-diabetic patients with fasting glucose < 7 mmol/L.

Results: Eighty-one percent of the patients presented impaired glucose metabolism, from which 35.3% were previously diagnosed with diabetics, 21.4% were newly detected diabetics, and 24.3% were pre-diabetics. After a mean follow-up of 35.8 ± 13.4 months, only a known history of diabetes was an independent predictor of revascularization (OR = 2.03, p = 0.025), non-fatal acute myocardial infarction (OR = 2.70, p = 0.029) and readmission due to heart failure during the follow-up (OR = 3.82, p = 0.022).

Conclusions: Screening for impaired glucose metabolism after PCI permits the detection of a high proportion of patients with abnormal glucose regulations. However, previously known diabetes remains the only independent predictor of cardiovascular events in the follow-up.